Câu 126: 400-251: CCIE Security Written Exam

As an enterprise, you have decided to use Cisco Umbrella (OpenDNS) services for all public DNS requests. In which two ways can you ensure that all DNS clients(endpoints) use this service for external requests only? (Choose two.)

1. A. Configure your internal DNS servers as forwarders on the OpenDNS servers.
2. B. Install the Umbrella proxy server on all the supported operating systems and configure it appropriately.
3. C. Use DHCP to push a proxy DNS server to the endpoints that would chain the external requests to OpenDNS servers for resolution. — đáp án hiện tại
4. D. Install the Umbrella client on all the supported operating systems and configure it appropriately.
5. E. Configure the OpenDNS servers as forwarders on your internal DNS servers.
6. F. Use DHCP to push the OpenDNS servers to the endpoints. — đáp án hiện tại
7. G. Install the Umbrella server in your data center that will provide these services locally.